Analysis
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max time kernel
149s -
max time network
152s -
platform
ubuntu-22.04_amd64 -
resource
ubuntu2204-amd64-20250307-en -
resource tags
arch:amd64arch:i386image:ubuntu2204-amd64-20250307-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system -
submitted
10/03/2025, 01:01
Behavioral task
behavioral1
Sample
nabx86.elf
Resource
ubuntu2204-amd64-20250307-en
ubuntu-22.04-amd64
General
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Target
nabx86.elf
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Size
34KB
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MD5
a772569a4d256423bd1c03ca65a63edd
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SHA1
4240d67b0b700cd83b221f518cafca21c48ce50b
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SHA256
049941c6c5af46bf841f6c74df053d9863f1e9b3f1badf93c7e5c1ff390dd834
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SHA512
cfffe530fcb2f53cc4bfc935110c931140f1359ab32453e1d2591bfd341367f22212208436be962091dff90bedf0122ed1934795983c3486f6b5e0223f553218
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SSDEEP
384:fVcMy41Py+KevyMeTZEKS6oBHEUUyTu1zxUHWwYRKKfIDis3x1d2yL1lgS9BmXOU:Yn+TgTZ2t4+HWwOUhXVLpmXOH9n/
Malware Config
Signatures
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Contacts a large (14796) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
description ioc File opened for modification /dev/watchdog File opened for modification /dev/misc/watchdog -
Renames itself 1 IoCs
pid 1563 -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 152.53.15.127 -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
description ioc File opened for reading /proc/net/tcp -
Enumerates running processes
Discovers information about currently running processes on the system
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Changes its process name 1 IoCs
description ioc pid Changes the process name, possibly in an attempt to hide itself multipathd 1563 -
Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
description ioc File opened for reading /proc/net/tcp -
description ioc File opened for reading /proc/582/status File opened for reading /proc/664/status File opened for reading /proc/1304/status File opened for reading /proc/2/comm File opened for reading /proc/404/comm File opened for reading /proc/1164/comm File opened for reading /proc/1505/comm File opened for reading /proc/738/status File opened for reading /proc/1192/status File opened for reading /proc/582/comm File opened for reading /proc/1087/comm File opened for reading /proc/412/status File opened for reading /proc/924/status File opened for reading /proc/13/comm File opened for reading /proc/80/comm File opened for reading /proc/98/comm File opened for reading /proc/212/comm File opened for reading /proc/746/comm File opened for reading /proc/590/comm File opened for reading /proc/766/comm File opened for reading /proc/1055/comm File opened for reading /proc/1108/status File opened for reading /proc/221/comm File opened for reading /proc/1138/comm File opened for reading /proc/1195/comm File opened for reading /proc/1412/comm File opened for reading /proc/693/status File opened for reading /proc/800/status File opened for reading /proc/75/comm File opened for reading /proc/606/comm File opened for reading /proc/1119/status File opened for reading /proc/1154/status File opened for reading /proc/113/comm File opened for reading /proc/209/comm File opened for reading /proc/222/comm File opened for reading /proc/1353/comm File opened for reading /proc/1141/status File opened for reading /proc/19/comm File opened for reading /proc/1169/comm File opened for reading /proc/1192/comm File opened for reading /proc/218/comm File opened for reading /proc/647/status File opened for reading /proc/917/status File opened for reading /proc/1547/comm File opened for reading /proc/373/status File opened for reading /proc/584/status File opened for reading /proc/787/status File opened for reading /proc/1102/status File opened for reading /proc/738/comm File opened for reading /proc/7/comm File opened for reading /proc/112/comm File opened for reading /proc/588/status File opened for reading /proc/628/status File opened for reading /proc/772/status File opened for reading /proc/4/comm File opened for reading /proc/1443/comm File opened for reading /proc/1243/status File opened for reading /proc/1070/comm File opened for reading /proc/1126/comm File opened for reading /proc/1182/comm File opened for reading /proc/631/comm File opened for reading /proc/259/comm File opened for reading /proc/498/comm File opened for reading /proc/796/comm